<div class="apiDetail">
    <div>
        <h2><span>Function()</span><span class="path">treeNode.</span>getPreNode</h2>
        <h3>Overview<span class="h3_info">[ depends on <span
                class="highlight_green">jquery.ztree.core</span> js ]</span></h3>
        <div class="desc">
            <p></p>
            <div class="longdesc">
                <p>Get the treeNode's previous sibling node.</p>
                <p class="highlight_red">Do not initialize or modify it, it is created by the zTree.</p>
            </div>
        </div>
        <h3>Function Parameter Descriptions</h3>
        <div class="desc">
            <h4><b>Return</b><span>JSON</span></h4>
            <p>JSON data object of the treeNode's previous sibling node</p>
            <p class="highlight_red">If have not the previous node, return null.</p>
        </div>
        <h3>Examples of treeNode</h3>
        <h4>1. Get the first selected node's previous sibling node.</h4>
        <pre xmlns=""><code>var treeObj = $.fn.zTree.getZTreeObj("tree");
var sNodes = treeObj.getSelectedNodes();
if (sNodes.length > 0) {
	var node = sNodes[0].getPreNode();
}
</code></pre>
    </div>
</div>